Frequencies for cnd_hcc167 variable in hcccoefn dataset :

 Major Head |
     Injury |      Freq.     Percent        Cum.
------------+-----------------------------------
       .043 |          1      100.00      100.00
------------+-----------------------------------
      Total |          1      100.00

by Jean Roth , jroth@nber.org , 7 Feb 2019